Respirator



FIG. 1 is a front perspective view of a respirator showing my new design;

FIG. 2 is a front elevation view of the respirator of FIG. 1 ;

FIG. 3 is a rear elevation view of the respirator of FIG. 1 ;

FIG. 4 is a right side view of the respirator of FIG. 1 ;

FIG. 5 is a left side view of the respirator of FIG. 1 ;

FIG. 6 is a top view of the respirator of FIG. 1 ; and,

FIG. 7 is a bottom view of the respirator of FIG. 1 .

The broken lines shown in the drawings represent portions of the respirator that form no part of the claimed design. 

CLAIM The ornamental design for a respirator, as shown and described. 